1) Restore back comment about snprintf() 2) Optimize string buffer copy to call memcpy() and update pointers only for count > 0, it makes snprintf(NULL, 0, ...) more efficient
1) Restore back comment about snprintf()
2) Optimize string buffer copy to call memcpy() and update pointers
only for count > 0, it makes snprintf(NULL, 0, ...) more efficient

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